How to subclass application Windows?

如何将应用程序窗口子类化？

'SSS' indicates the error message subclass.

' SSS '指出了错误消息子类。

Strategy 1: One table per subclass (Persons).

策略1：每个子类一个表(Persons)。

Now we can create our bean as a subclass of this.

现在，我们可以以这个类为父类创建子类bean。

Figure 1 shows a UML diagram for this simple subclass.

图1显示了这个简单子类的uml图。

Improper down-casting of objects into subclass types

不正确的将一个对象转型为其子类型对象；

In order to view the subclass hierarchy, select Incoming.

为了查看子类层次，选择Incoming。

Reducing coupling between a subclass and its superclasses.

减少了子类及其超类之间的耦合。

Prepared statements are a subclass of the statement class.

预置语句是statement类的一个子类。

With this strategy, each proper subclass has its own table.

通过这种策略，每个子类都会拥有其自身的表。

Create a mock object class as a subclass of the concrete class.

创建一个模拟对象类作为具体类中的一个子类。

The pros are similar to the above "Table per Subclass" strategy.

优点和上面的“每个子类一张表”策略相似。

All the subclass does is convert the text data into a date value.

所有的子类将文本数据转换为数据值。

This means that no subclass of that class can declare a finalizer.

这意味着该类的任何子类都无法声明终结器。

Then you would subclass the generated code to add functionality.

然后您可以使生成的代码生成子类，以添加功能。

A query on a concrete subclass only generates SQL for that subclass.

具体子类的查询只生成该子类的SQL。

In fact, InputStream is abstract, so some sort of subclass is necessary.

实际上，InputStream是一个抽象类，因此某种类型的子类是必要的。

Creating a subclass of SOAPMappingRegistry with all pre-registered mapping.

用所有预注册的映射创建SOAPMappingRegistry的一个子类。

You never create an instance of it — instead, you always work with a subclass.

您永远不会创建它的实例——相反，您总是使用它的子类。

I just had to subclass it to make a hypertext object, and add the Internet code.

我只需要子类化出来一个超文本对象，然后加上互联网相关代码就行了。

A subclass could then expose a public constructor, allowing anyone to make instances.

这时，子类可以把构造方法转为公有属性，从而允许任何客户端都可以去创建实例。

To use an ABC, a subclass must inherit from the ABC and override its abstract methods.

要使用 ABC，子类必须继承自此 ABC 并且还要覆盖其抽象方法。

You also have to answer questions like: do you allow clients to subclass from this type?

你也同时必须回答这个问题：你是否允许客户继承这个类？

You will never instantiate this class directly, but always create an instance of its subclass.

永远不要直接实例化这个类，而是创建它的子类的一个实例。

The subclass can then override any particular method to alter the behavior of the base reader.

然后让子类改写某些特殊的方法从而改变基本读取器的行为。

Your application can throw this subclass exception and your client would receive this exception.

您的应用程序可以抛出这个子类异常，并且您的客户将接收到这个异常。

You create your subclass and override just those methods that you use in your methods under test.

创建一个子类，并仅仅重载您在测试方法中所使用的那些方法。

For example, you can subclass your existing object model and represent each type as an event.

例如，您可以将已有的对象模型分类并且将每一个类型表示为一个事件。

Classes are arranged in a hierarchy, so that a subclass can inherit behavior from its superclass.

类是有层次性的，所以子类可以继承父类的行为。

This means that nobody can create a subclass of that class, which prevents the attack from working.

这意味着没有人可创建该类的子类，这会阻止攻击生效。